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SERVICING INSTRUCTIONS (continued) 

17 

REPLACE SOLENOID 

 

Unplug power cord.  Turn 

OFF

 and disconnect water supply from 

brewer inlet fitting. 

 
Remove front panel.  Remove two screws holding access door in 
place. Remove access door and solenoid.  Unscrew inlet fitting 
cap to release solenoid from door. 

 
Remove wiring from solenoid. 

 
Large end of wrench 86660 can be used to hold solenoid inlet 
fitting while disconnecting supply line. 
 

 

REPLACE FAUCET SUPPLY HOSE 

 

Unplug power cord.  Turn 

OFF

 and disconnect water supply from 

brewer inlet fitting.  Disconnect hose fitting from solenoid (See 
illustration at right). 

 
Disconnect hose flare fitting from tank coil fitting. 
 

REPLACE HOT WATER FAUCET COIL 

 
(Symptom:  Brewer drips continuously from brew head, except 
when faucet valve is turned OFF.) 

IMPORTANT:  

When replacing water faucet coil, also replace 

seal gaskets. 

 
Remove tank lid assembly per above. 

 
Remove two hex nuts hot water coil to cover.  Pull coil from 
mounting holes. 
 

REPAIR HOT WATER FAUCET 

 
Remove top panel and turn faucet valve OFF. 

 
Unscrew aerator cap from faucet and remove handle retaining 
clip.  Do not let faucet body turn. 

 
Pull bonnet assembly from faucet body. 

 
Examine the interior of the faucet body and the surface of the 
seat cup.  Clean out any debris in the faucet body, using a stiff 
bristle brush if necessary.  

 

NOTE:  

Any abrasion or roughness on the flat end of the seat 

cup will require replacing the seat cup: 

 
Work the seat cup out of the  bonnet and off of the end of the 
stem. 

 
Install a new seat cup, making sure the knob on the stem is fully 
inserted into the pocket of the seat cup, and the skirt of the seat 
cup is fully inserted into the bonnet. 

 
Examine the aerator.  Clean any debris from the screen or flow  
straightener, using a stiff bristle brush if necessary. 

 

 
 
 

Fig. 15  Fill Solenoid 

Fig. 16  86660 Solenoid 
 Wrench 

645 

 75908

 Owner

s M

anual E.B.C. Du

al Airpo

t/Thermal 

B

rewer  

Summary of Contents for E.B.C. 1093

Page 1: ...com p n 75908 Rev E ECN 13385 M645 071107 cps 645 OWNERS MANUAL for E B C Electronic Brew Control DUAL AIRPOT AND THERMAL COFFEE BREWERS MODELS 1090 1091 1092 1093 Includes Installation Use Care Serv...

Page 2: ...arry a 30 day parts warranty only b dispensers i e tea and coffee carry a 90 days parts warranty only excludes decanters THE FOREGOING OBLIGATION IS EXPRESSLY GIVEN IN LIEU OF ANY OTHER WARRANTIES EXP...

Page 3: ...3 AGENCY LISTING INFORMATION 3 INSTALLATION INSTRUCTIONS 4 OPERATION 6 BREWING COFFEE 10 CLEANING INSTRUCTIONS 11 TROUBLESHOOTING SUGGESTIONS 12 Error Detection 13 SERVICING INSTRUCTIONS 14 Deliming...

Page 4: ...FEATURES AND OPERATING CONTROLS Fig 1 Features Operating Controls 2 645 75908 Owners Manual E B C Dual Airpot Thermal Brewer...

Page 5: ...ntended for use in commercial establishments where all operators are familiar with the appliance use limitations and associated hazards Operating instructions and warnings must be read and understood...

Page 6: ...ater pressure exceeds 90 PSI at anytime a pressure regulator must be installed in the water supply line to limit the pressure to not more than 90 PSI in order to avoid damage to lines and solenoid Plu...

Page 7: ...is used you must install a water hammer arrester in the incoming line between the backflow preventer and the brewer inlet as far away from the brewer as space will allow This will relieve the excessiv...

Page 8: ...er opening until water flows from the brew heads This will require the equivalent of three full 64oz Decanters per side When water stops dripping from the brew head empty the container Once the tanks...

Page 9: ...head AUTOMATIC OPERATION Pressing the BREW key energizes the solenoid valve allowing water from an external water supply to flow into the water tank The incoming water forces heated water out of the t...

Page 10: ...d NOTE To override Brew Waiting Mode press and hold the BREW key for 3 seconds while the BREW indicator is flashing Brew will begin regardless of water temperature To avoid under temperature brews thi...

Page 11: ...hout a brew being initiated Disable Enable After Hours Feature To disable After Hours press the ON OFF key to turn the brewer OFF Press and hold the CANCEL key until two beeps sound and the HEAT indic...

Page 12: ...g used with tap water Lift the pour over cover and pour the entire contents of the container into the pour over opening which will fill the basin Water from the basin will displace a like amount of he...

Page 13: ...and a mild detergent A bristle brush may be used to clean the inside Rinse with clean water and allow to air dry For stainless steel brew chambers be sure the wire rack is properly reinstalled 8 Wipe...

Page 14: ...d too low or set to OFF Hi Limit thermostat tripped Damaged internal component or wiring Timer out of adjustment Too many filter papers or wrong filter paper Brew chamber dispense hole plugged Spray g...

Page 15: ...p probe Check power board and heating element Brewer will go into error mode 4 minutes after energizing the heating element if insufficient heat rise is detected The heating element is energized by an...

Page 16: ...heating elements brew circuit tubing faucet valve and piping Top panel is held by two screws at the rear and a retaining lip at the front FRONT PANEL Remove front panel to access controller terminal...

Page 17: ...ing and Adjusting Brew Temperature CAUTION SHOCK HAZARD These procedures involve exposed electrical circuits These procedures are to be performed by qualified technical personnel only NOTE Optimum bre...

Page 18: ...ween the end of a brew and when a new brew can be initiated is controlled by the BREW SIGNAL TIMER Adjust the BREW SIGNAL TIMER dial on the controller to account for the dripout time Replace button pl...

Page 19: ...skets Remove tank lid assembly per above Remove two hex nuts hot water coil to cover Pull coil from mounting holes REPAIR HOT WATER FAUCET Remove top panel and turn faucet valve OFF Unscrew aerator ca...

Page 20: ...n hi limit until it clicks and stays in Reassemble in reverse order Test for function and proper operation REPLACE CONTROLLER Unplug power cord or turn circuit breaker OFF Remove front panel Remove ti...

Page 21: ...ibbon cable to provide abrasion resistance where the cable passes through the cabinet Do NOT remove this protective sleeve Slide ribbon cable into slot on basin body from the outside then carefully ap...

Page 22: ...upply Turn off the water shut off valve and disconnect the water supply line from the brewer inlet fitting On right side tank disconnect faucet fittings 2 Remove the tank lid assemblies as described o...

Page 23: ...l internal components are dry then reinstall the top panel 10 Reconnect brewer to electrical supply and reconnect water supply 11 Install the brew chambers without filter papers or grounds Run at leas...

Page 24: ...8 Tank Cover Plate Only 8 holes All Right Tank Only 8512 45 Tank Cover Plate Only 6 holes All Left Tank Only 64 8543 74 Nut Hex 4 40 SS All 65 8543 73 Screw 4 40 x 1 SS Pan Head All 66 8043 24 Water i...

Page 25: ...Side 50 83644 Temperature Probe All 63 8552 50 Hi Limit Thermostat All 67 8043 14 Tank Heating Element 120V 1500W 1090 1092 8716 1 Tank Heating Element 240V 3500W 1091 1093 85 1080 226 Controller Boa...

Page 26: ...ead Retainer All 43 8541 46 Water Inlet Tube All 45 85753 Solenoid Valve w Bypass Right Side 85754 Solenoid Single Left Side 59 8043 8 Inlet Elbow All 60 8043 15 Vent Tube All 61 8043 11 Outlet Elbow...

Page 27: ...8033 56 Cap Adjustable Leg All 81732 Adjustable Leg Assembly All 75 8543 69 Heyco Bushing All 101 Body Welded Assy All 102 Front Panel All 103 Mounting Power Board All 104 85089 Access Door Solenoid...

Page 28: ...WIRING DIAGRAM 26 MODEL VOLTS WATTS AMPS 1090 120 240 4000 17 1092 120 240 4000 17 645 75908 Owners Manual E B C Dual Airpot Thermal Brewer...

Page 29: ...RAL IN VALVE B VALVE B HEATER B HEATER B VALVE A VALVE A LINE IN LINE IN HEATER A HEATER A CHASSIS GROUND TEMPERATURE PROBE TEMPERATURE PROBE HI LIMIT HI LIMIT 1 1 HEATING ELEMENT HEATING ELEMENT 1 6...

Page 30: ...ION CUSTOMER SATISFACTION Wells Bloomfield proudly supports CFESA Commercial Food Equipment Service Association Commercial Food Equipment Service Association PRINTED IN UNITED STATES OF AMERICA WELLS...

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